2011022221011 has 8 divisors (see below), whose sum is σ = 2681506050000. Its totient is φ = 1340609936352.

The previous prime is 2011022221001. The next prime is 2011022221031. The reversal of 2011022221011 is 1101222201102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011022221011 - 2²⁵ = 2010988666579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011022221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17820460 + ... + 17932953.

It is an arithmetic number, because the mean of its divisors is an integer number (335188256250).

Almost surely, 2^{2011022221011} is an apocalyptic number.

2011022221011 is a deficient number, since it is larger than the sum of its proper divisors (670483828989).

2011022221011 is a wasteful number, since it uses less digits than its factorization.

2011022221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35772165.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011022221011 its reverse (1101222201102), we get a palindrome (3112244422113).

The spelling of 2011022221011 in words is "two trillion, eleven billion, twenty-two million, two hundred twenty-one thousand, eleven".